Judges found Basri guilty of several deadly attacks
targeting Christians in Central Sulawesi province and sentenced
him to 19 years. The attacks included the killing of three
high-school girls in 2005 in Poso district and the shooting to
death of a Christian minister in the provincial capital, Palu,
in 2004.

The three other militants, who were each sentenced to 14
years in prison, were convicted of separate attacks, including
a 2005 bomb blast at a busy market at Tentena in Poso which
killed 22 people.

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The four were tried in separate courtrooms.

Poso was the scene of street fighting between Muslims and
Christians between 1999 and 2001, in which more than 2,000
people died. Despite a 2001 peace accord, sporadic violence
continued. Police have said Basri and Djanatu were the leaders
of a local group believed to be linked to the regional militant
network Jemaah Islamiah (JI).

JI is blamed for a string of deadly attacks in Indonesia,
including the 2002 nightclub bombings on the resort island of
Bali, which killed more than 200 people. Hundreds of militants
allegedly linked to JI have been arrested since the Bali
bombings.

Three Christians convicted of leading a group that killed
scores of Muslims in 2000 at a boarding school in Poso were
executed last year.

Around 85 percent of Indonesia's 220 million people are
Muslim, but in some areas in the country's east, such as Poso,
there are roughly equal numbers of Muslims and Christians.